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Why convert GZ to BZ2?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the GZ format
GZ — Gzip Compressed File
GZ is a single-file compression format based on the DEFLATE algorithm, standardized in RFC 1952. Unlike ZIP or TAR, gzip compresses only a single file. It is ubiquitous on UNIX/Linux systems and is used heavily in HTTP content encoding (gzip compression for web pages), log compression, and as the compression layer in TGZ archives.
Common uses
- Compressing individual files on Linux/macOS
- HTTP content encoding for faster web page delivery
- Log file compression on servers
- Single-file distribution with good compression
About the BZ2 format
BZ2 — Bzip2 Compressed File
BZ2 is a single-file compression format using the bzip2 algorithm (Burrows-Wheeler transform + Huffman coding). It consistently achieves 10-15% better compression ratios than gzip for text and source code, making it preferred for bandwidth-sensitive distributions. Like gzip, it compresses only a single file — directories must be bundled with TAR first.
Common uses
- Compressing large text files and source code archives
- Linux package distribution (.deb source packages)
- Scientific data compression
- Bandwidth-sensitive file distribution
Related conversions
Other conversions available for GZ and BZ2 files
Frequently asked questions
How do I convert GZ to BZ2?
Upload your GZ file above, choose BZ2 as the output format, then click Convert. Your BZ2 file is ready to download in seconds — nothing to install, and it works in your browser.
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.
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